Schluter KERDI-BOARD 1-5/8" Screw and Washer Set, 200-Pc is expertly designed to securely fasten KERDI-BOARD to wood or metal stud framing, making it an essential component for waterproofing and tile backing applications. This set includes 100 galvanized steel washers and 100 coarse thread screws, combining strength and reliability for a durable installation. The washers feature built-in tabs that penetrate the surface of the KERDI-BOARD, keeping them in place and allowing for quicker, easier installation. With vertical and horizontal spacing tailored to stud placement, this set ensures optimal stability and long-lasting performance. Model Number: KBZS35GT32Z100